I lowered the contrast using Image>Adjustments>Brightness/Contrast; added a 25% violet filter from Image>Adjustments>Photo Filter; and altered some colours in Image>Adjustments>Selective Colour, just on the reds, yellows and whites. I hope it looks more like the original slide now, and more like the real scene...

No longer full of promenading tourists, Thamel did not suffer much during the earthquake. The shop on the right is still there, so are all other buildings I remember from my 2014 trip. This image would look similar taken in 2016.

Walk a few steps ahead, turn left and you will arrive at "my" hotel Horizon, where I'm always greeted with a "welcome back" as soon as I reach the gate, regardless of whether I have "been away" for a week or for 15 months...